Shelby is located in Polk county Nebraska with a geographic area of 0.6 square miles. The total population in Shelby is 714 with 45.5% male and 54.5% female. Children under age 5 represent 4.9% of the population, under age 18 equal 23.7% of the population and over age 65 is 20.7% of the population. The median household income is $65,938, per capita income is $25,552. There are a total of 254 housing units with 82.3% owner occupied. Education includes 44.1% of residents that are high school graduates and 15.0% with a bachelor's degree or higher. The average temperature in Shelby in the summer is 72 degrees, and in the winter 26 degrees.
